Footboard



FIG. 1 is a left front perspective view of a footboard showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view, the opposite side being a mirror image thereof; and,

FIG. 4 is a rear perspective view thereof.

The bottom view is not shown and forms no part of the claimed design. The dashed lines represent environmental elements and form no part of the claimed design. 

The ornamental design for a footboard, as shown and described. 